Over the Range Convection Microwave Oven
Installation Instructions
Model: OTR111SU
TINSEB399WRRZ
2
Please read all instructions thoroughly before install-
ing the Microwave Oven/Hood System. Two people
are recommended to install this product.
If a new electrical outlet is required, its installation should
be completed by a qualied electrician before the Mi
-
crowave Oven/Hood is installed. See 3 ELECTRICAL
GROUNDING INSTRUCTIONS on page 3.
1. MOUNTING SPACE
This Microwave Oven/Hood requires a mounting space
on a wall as shown in Figure 1.
If the space between the wall cabinets is greater than
30-inches (36-inches or 42-inches), a Filler Panel Kit may
be used to ll the gap between the Microwave Oven/Hood
system and wall cabinets. The Filler Panel Kit is sold
as an optional accessory; each kit contains two 3-inch
panels. The Filler Panel Kit should be installed before
the Microwave Oven/Hood is installed.
For proper installation and servicing, a 2-inch space is
necessary between the top of the range backsplash and
the bottom of the Microwave Oven/Hood system.
30" or more
from cooking
surface
Backsplash
15.5"
12"
At least 2"
30"
66" or
floor
more from
Figure 1
2. WALL CONSTRUCTION
This Microwave Oven/Hood should be mounted against
and supported by a at vertical wall. The wall must be at
for proper installation. If the wall is not at, use spacers
to ll in the gaps. Wall construction should be a minimum
of 2” x 4” wood studding and 3/8” or more thick dry wall
or plaster/lath. The mounting sur- faces must be capable
of supporting weight of 110 pounds—the oven and con-
tents—AND the weight of all items which would normally
be stored in the top cabinet above the unit.
The unit should be attached to a minimum of one 2” x
4” wall stud.
To nd the location of the studs, one of the following
methods may be used:
A. Use a stud nder, a magnetic device which locates
the nails in the stud.
B. Use a hammer to tap lightly across the mounting
surface to nd a solid sound. This will indicate stud
location.
The center of the stud can be located by probing the wall
with a small nail to nd the edges of the stud and then
placing a mark halfway between the edges. The center
of any adjacent studs will normally be 16” or 24” to either
side of this mark.
Note: In the event that the unit will be unable to be sup
-
ported by any stud, it will be necessary to use special
care in the placement of the toggle bolts and top cabinet
screws. See Wall Template for details. The top cabinet
should be tested to ensure it is securely attached to the
wall. Place extra weight up to 110 pounds inside the top
cabinet to test the support.
2"x 4"
Wood Studs
or Plaster/lath
3/8" Dry Wall
16" or 24"
Figure 2
3
3. ELECTRICAL GROUNDING
INSTRUCTIONS
This appliance must be grounded. This oven is equipped
with a cord having a grounding wire with a ground-ing
plug. It must be plugged into a wall receptacle that is
properly installed and grounded in accordance with the
National Electrical Code and local codes and ordinanc-
es. In the event of an electrical short circuit, ground-ing
reduces risk of electric shock by providing an escape
wire for the electric current.
WARNING - Improper use of the grounding plug can
result in a risk of electric shock.
The oven is equipped with a 3-prong grounding plug.
DO NOT UNDER ANY CIRCUMSTANCES CUT OR
REMOVE THE GROUNDING PIN FROM THE PLUG.
The Power Supply Cord and plug must be connected to
a separate 120 Volt AC, 60 Hz, 15 Amp, or more branch
circuit, single grounded receptacle. The receptacle
should be located inside the cabinet directly above the
Microwave Oven/Hood mounting location.
Note:
1. If you have any questions about the grounding or
electrical instructions, consult a qualied electrician
or serviceperson.
2. Neither SMEG nor the dealer can accept any liability
for damage to the oven or personal injury resulting
from failure to observe the correct electrical connection
procedures.
Ground
Receptacle
Opening for
Power Cord
Figure 3
4. HOOD EXHAUST DUCT
When the hood is vented to the outside, a hood exhaust
duct is required. All ductwork must be metal; absolutely
do not use plastic duct. Check that all connections are
made securely. Please read the following carefully:
EXHAUST CONNECTION: The hood exhaust has been
designed to connect to a standard 31/4” x 10” rectangular
duct. If round duct is required, a rectangular-to-round
adapter must be used.
REAR EXHAUST: If a rear or horizontal exhaust is to
be used, care should be taken to align the exhaust with
the space between the studs, or wall should be prepared
at the time it is constructed by leaving enough space
between wall studs to accommodate exhaust.
MAXIMUM DUCT LENGTH: For satisfactory air move
-
ment, the total duct length of 31/4” x 10” rectangular or
6” diameter round duct should not exceed 140 feet.
Elbows, adapters, wall, roof caps, etc. present addi-tional
resistance to air ow and are equivalent to a section of
straight duct which is longer than their actual physical
size. When calculating the total length, add the equivalent
lengths of all transitions and adapters plus the length of
all straight duct sections. Figure 4 shows the approximate
feet of equivalent length of some typical ductwork parts.
Use the values in parentheses for calculating air ow re
-
sistance equivalent, which should total less than 140 feet.
90˚ ELBOW (10 FT.) 45˚ ELBOW (5 FT.)
ADAPTOR (5 FT.) 10˚ WIDE ELBOW (10 FT.)
90˚ ELBOW (25 FT.) 45˚ ELBOW (5 FT.)
WALL CAP (40 FT.) ROOF CAP (24 FT.)
Figure 4
4
5. TOOLS RECOMMENDED FOR
INSTALLATION
• Phillips Screwdriver
• Electric Drill
• Scissors
• Pencil
• Tape
• 1-1/2” Wood Bit or Metal Hole Cutter (if metal
cabinet is used)
• 1/2”, 5/8” and 3/32” Drill Bits
• Saw to cut exhaust opening (if needed)
• Measure
• Protective Drop Cloth for product and range—you
may also use carton for protection
6. INSTALLATION HARDWARE
The INSTALLATION HARDWARE (items 1-7) packed
with the oven should contain the following:
ITEM NAME & PART CODE QTY.
1 Wood Screw 5 x 30 mm
XTSS750P35000
6
2 Toggle Bolt #10 - 24 x 50 mm
LX-BZ0195WRE0
4
3 Top Cabinet Screw 5 x 60 mm
XBRS750P60000
2
4 Flat Washer 30 mm diameter
XWHS750-16300
2
5 Tapping Screw 4 x 12 mm
XOTS740P12000
1
6 Exhaust Damper Assembly
FFTA-B004MRK0
1
7 Grommet
LBSHC0040MRE0
1
Figure 5
7. PREPARATION OF THE OVEN
Utilization of the carton may make installation easier.
1. Open the bottom of the carton, remove oven and all
packing materials.
2. CHECK THE OVEN : Check the oven for any damage,
such as misaligned or bent door, damaged door seals
and sealing surfaces, broken or loose door hinges and
latches and dents inside the cavity or on the door. If
there is any damage, do not operate the oven and con
-
tact your dealer or SMEG AUTHORIZED SERVICER.
3. Place carton upside down as shown in Figure 6-1.
4. Using cutting line around the carton, cut into two pieces
(A) and (BC). See Figure 6-2.
5. Cut the remaining portion (BC) into portion (B) and
portion (C) according to cutting line. See Figure 6-3.
(B)
(C)
(A)
(B)
(C)
(A)
Top side
Cutting line
Figure 6-1
(B)
(C)
(A)
(B)
(C)
(A)
Top side
Cutting line
Figure 6-2
(B)
(C)
(A)
(B)
(C)
(A)
Top side
Cutting line
Figure 6-3
5
6. Rest the oven on its side as shown in Figure 7. Place
portion (C) of the carton underneath to protect the
outercase from being damaged.
7. Remove the two screws which secure the mounting
plate to the rear side of the oven. Remove the mount
-
ing plate. The two screws can be discarded.
Note: If the unit you purchased does not have the mount
-
ing plate attached to the rear side of the oven, please
disregard this section and continue to Section 8.
Mounting plate Grease filter openings
Figure 7
8. VENTILATION SYSTEM
This Microwave Oven/Hood System is designed for
adaptation to three types of hood ventilation systems.
Select the type required for your installation.
A. RECIRCULATING — NON-VENTED,
DUCTLESS OPERATION
The unit is shipped assembled for recirculating.
Note:
1. The Exhaust Damper Assembly is not required for
recirculating operation.
2. The Charcoal Filter should be replaced every 6 to
12 months, depending on use.
B. HORIZONTAL EXHAUST — OUTSIDE
VENTILATION
1. Remove and save the 4 screws from Fan Cover
Bracket. Remove Fan Cover Bracket by sliding it
in the opposite direction of the arrow on the Fan
Cover Bracket, as shown in Figure 8.
Fan cover bracket
Figure 8
2. Lift Hood Fan Unit carefully and slip wires out of
cavity. See Figure 9.
CAUTION: Do not pull or stretch hood fan wiring.
Figure 9
3. Rotate the Hood Fan Unit 180° so that the fan
blade openings are facing the back of the oven.
Note, you will need to lift the wire over the hood
fan unit so the wire will clear. See Figure 10 (A).
Replace Hood Fan Unit into the oven. Be careful
not to pinch the wire and the Hood Fan Unit. See
Figure 10 (B).
(A) Rotate 180˚
(B)
Figure 10
4. Put the wire back into the cavity.
6
5. Replace the fan cover bracket. Make sure the
fan blades are visible through the rear openings
in oven before proceeding. Attach the fan cover
bracket to the unit with the 4 screws removed in
step 1 above. See Figure 11. The hood fan is now
rotated for horizontal exhaust operation.
Wire box
Figure 11
6. Attach the Exhaust Damper Assembly to the back
of the mounting plate by sliding it into the slits in the
same direction as the arrow. See Figure 12. Using
tapping screw 4 x 12 mm from the INSTALLATION
HARDWARE, tighten into place.
Mounting plate (back side)
Figure 12
C. VERTICAL EXHAUST:
OUTSIDE VENTILATION
1. Remove and save the 4 screws from the Fan Cover
Bracket. Remove Fan Cover Bracket by sliding it
in the opposite direction of the arrow on the Fan
Cover Bracket as shown in Figure 13.
Fan cover bracket
Figure 13
2. Lift the Hood Fan Unit carefully and slip wires out
of cavity. See Figure 14.
CAUTION: Do not pull or stretch hood fan wiring.
Figure 14
3. Rotate the Hood Fan Unit 180˚ so that the fan
blade openings are facing the back of the oven.
Note, you will need to lift the wire over the hood
fan unit so the wire will clear. See Figure 15 (A).
Then rotate the Hood Fan Unit 90˚ so that the fan
blade openings are facing the top of the oven.
See Figure 15 (B). Replace Hood Fan Unit into the
oven. Be careful not to pinch the lead wire between
the inner bracket and the Hood Fan Unit. Put the
lead wire into Wire Box. See Figure 15 (C).
(A) Rotate 180˚
(B)
(C)
Figure 15
4. Replace the Fan Cover Bracket. Make sure the
fan blades are visible through the top openings in
the oven before proceeding.
7
5. Attach the Fan Cover Bracket to unit with the 4
screws removed in step 1 above. See Figure 16.
The Hood Fan Unit is now rotated for vertical
exhaust operation.
Wire box
Figure 16
6. Attach the Exhaust Damper Assembly to the fan
cover on the top of the outercase cabinet by sliding
it into the slits in the same direction as the arrow.
Use 1 Tapping Screw 4 X12 mm from the INSTAL
-
LATION HARDWARE and tighten into place. See
Figure 17.
Exhaust damper assembly
Figure 17
9. OVEN INSTALLATION
THIS OVEN CANNOT BE PROPERLY INSTALLED
WITHOUT REFERRING TO THE MOUNTING IN-
STRUCTIONS FOUND ON BOTH TEMPLATES.
READ AND FOLLOW MOUNTING INFORMATION ON
BOTH TOP CABINET AND WALL TEMPLATES.
MOUNTING PLATE
1. Separate 4 Toggle Bolts 2, packed in the INSTALLA-
TION HARDWARE, from the Toggle Nuts.
2. Use Wood Screws 1 to attach Mounting Plate to the
stud or studs. Use Toggle Bolts to attach Mounting
Plate through the holes at A, B, C and D; UNLESS
THOSE HOLES ARE LOCATED ON THE STUD.
Insert one Toggle Bolt into A, B, C and D where ap
-
propriate (these correspond to the holes of the Wall
Template) and put the Toggle Nuts onto the Toggle
Bolts. Figure 18.
Refer to instructions in Wall Template.
Mounting
plate
Figure 18
3. Position the Mounting Plate with the Toggle Bolts
attached at the wall location and insert Toggle Nuts
and Bolts through the holes in the wall with the Toggle
Nuts closed. Figure 19. Use Wood Screws 1 to attach
the Mounting Plate to studs.
Space more than
wall thickness
Wall
Figure 19
Note: Before insertion, be sure you leave a space
more than the thickness of the wall between the
Mounting Plate and the end of each of the Toggle Nuts
(in the closed position). If you do not leave enough
space, the Toggle Nut will not be able to open on the
other side of the wall. Also, once a Toggle Nut opens,
it cannot be withdrawn from the hole; therefore make
sure all of the Toggles are in the correct position before
insertion.
4. Align the Mounting Plate carefully and hold in position
while tightening Toggle Bolts. Pull Toggle Bolt toward
you and turn clockwise to tighten. Figure 20.
Figure 20
8
MOUNTING OVEN TO THE WALL
Two people are recommended to attach the Microwave
Oven/Hood to the Mounting Plate.
1. Place cut portion of carton (B) on top surface of range.
Protection of the range cooking surface is recommend
-
ed. A protective drop cloth may also be used to cover
the top of the range.
2. Place carton portion (C) on portion (A); then place
oven as shown in Figure 21.
3. Place the oven and the carton portions together on the
top of the range covered with (B). Slide carton portion
(A) toward backsplash until stops. Align the lower back
edge of the oven with the mounting plate.
(A)
(C)
(B)
Figure 21
4. Thread the power supply cord through the hole made
in the bottom of the top cabinet.
5. Hang the oven on the lower edge of the mounting
plate. Rotate the unit upward. See Figure 22. Take
care that the power cord is able to clear the edge of
the hole as the oven is rotated upward. (In the case
of a non-recessed bottom in the top cabinet, the hole
for the cord may need to be enlarged.) Remove the
carton portions.
Hang at these
locations
(A)
Figure 22
6. Tighten the two unit mounting screws located in the
grease lter openings. See Figure 23.
Unit mounting
screw
Figure 23
7. Install grease lters by tting into the opening. Push
back and up into place. See Figure 24.
Grease filter
Figure 24
8. Use the two Top Cabinet Screws (D) and two Flat
Washers (E), supplied in the INSTALLATION HARD
-
WARE, to attach the unit to the top cabinet. See
Figure 25.
Grommet
(for metal
cabinet only)
(D)
(E)
Figure 25
9. Make a bundle of the power supply cord and place it
inside the cabinet.
9
CHECK LIST FOR INSTALLATION
1. Make sure the unit has been installed according to all
of the Installation Instructions, the Top Template and
Wall Template.
2. Remove all packing material from the oven.
3. Plug in the power cord.
4. Read the Instruction Manual.
5. Keep the Installation Instructions for the local electrical
inspector’s use.
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